Acer repurposes drugs with available data (like a 40-year-old European antihypertensive) into rare disease treatments (like Edsivo for vascular Ehlers-Danlos syndrome), but approval remains elusive, with a CRL for ACER-001 just as Edsivo is poised to enter a new clinical trial, armed with a new breakthrough designation. The Pink Sheet delves into regulatory history and strategy with CEO Chris Schelling.
With a US complete response letter for urea cycle disorder therapy ACER-001, rare disease specialty company Acer Therapeutics Inc. holds CRLs for both of the 505(b)(2) new drug applications it has filed – a reminder of the regulatory challenges that can remain for “de-risked” drug candidates with clinical experience in other fields and formulations.
Acer Therapeutics is focused on finding “drugs that were misunderstood” in their original development programs but could have a new...
Cardiovascular and Renal Drugs Advisory Committee will consider whether open-label extension data from a randomized trial that failed its primary endpoint, along with a historical control comparison, are enough to support approval in the ultra-rare disease.
The US FDA commissioner also said the hub is looking for an executive director who will work with the CBER and CDER heads, who will serve as co-leads.
Under current law, drugs or biologics must receive rare pediatric disease designation before 1 October to be eligible for a priority review voucher. The sunset provisions have led to a spike in designation requests at the FDA and a push by pediatric and rare disease advocates for an extension, either through a continuing resolution or reauthorizing legislation.
A real-world evidence study also does not meet the regulatory standard for an adequate and well-controlled clinical investigation, the agency said. The FDA should allow the accelerated approval drug to remain available like other treatments that failed their confirmatory trials, Intercept said.
Revised recommendation is based on most recent data on circulating strains in US, where KP.3 is now dominant. Novavax sticks with plans targeting the JN.1 ‘parent strain.’
Pink Sheet reporter and editors discuss the US FDA’s changes to the COVID-19 vaccine indication and its revocation of the vaccine emergency use authorizations, as well as new vaccine coverage and reimbursement questions.
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